Scrub brush



FIG. 1 is perspective view of the scrub brush of my new design.

FIG. 2 is a front elevational view thereof. The rear elevational view is a mirror image thereof.

FIG. 3 is a side elevational view thereof. The opposite side elevational view is a mirror image thereof.

FIG. 4 is a top plan view thereof.

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is an enlarged perspective view from the bottom thereof. 

CLAIM The ornamental design for a scrub brush, as shown and described. 